CN112840798A

CN112840798A - Bionic ditching fertilizer applicator for paddy field

Info

Publication number: CN112840798A
Application number: CN202110207475.8A
Authority: CN
Inventors: 齐龙; 唐震宇; 杨秀丽; 邢航; 龚浩; 刘闯
Original assignee: South China Agricultural University
Current assignee: South China Agricultural University
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-05-28

Abstract

The invention discloses a bionic ditching and fertilizing applicator for paddy fields, which mainly includes a ditching part, a fertilizing part and a connecting part. The three parts are integrated structures; The surface profile is obtained from the North American badger claw model with a central arc curvature radius of 25mm, fitting the surface profile and then enlarging it by 6 times year-on-year. The width of the ditching part gradually decreases from the back to the front, and the front end is in the shape of a sharp claw; The invented bionic ditching fertiliser applicator can effectively reduce ditching resistance and soil adhesion, and has broad application prospects.

Description

Bionic ditching fertilizer applicator for paddy field

The technical field is as follows:

the invention belongs to a fertilizing and ditching device in the field of agricultural machinery, and particularly relates to a bionic ditching and fertilizing device for a paddy field.

Background art:

in the rice production process, ditching synchronous side deep fertilization operation is common field work. The furrow opener is a key component used for ditching on the fertilizer applicator; the furrow opener needs to produce furrow marks with consistent depth, neat furrow shape and proper width so that fertilizer can be accurately applied near the root of the rice to be fully absorbed by the rice. However, the paddy field environment is complex, and the viscosity of the paddy field soil is high, so that the paddy field soil is adhered to the surface of the furrow opener, the surface shape is changed, the resistance of the furrow opener is increased, the fertilization effect is affected due to the irregular shape of the furrow, and the growth condition of rice is affected. Therefore, the design of the high-efficiency, low-resistance and desorption ditching fertilizer applicator for the paddy field is necessary.

Researches show that after a long-time evolution of a badger organism in North America, claws of the badger have evolved to have structures and functions suitable for different soil environments, and two forepaws of the badger are like two sharp shovels and can dig mud and ditch easily, so that the characteristic has very important significance for the research of resistance reduction and viscosity reduction; the middle claw of the front paw of the badger in North America is in the shape of an arc blade, the curvature radius of the central arc of the claw is a fixed value, the width of the front end and the rear end is in a linear increasing trend, and the claw can move fast and efficiently in the ditching and soil digging process, so that the claw has reference significance for the bionic ditching fertilizer applicator.

Based on the reasons, the similar image of claw in the middle of the badger front paw is designed, the center circular arc curvature radius of the similar image, the front-back width ratio of the similar image are taken as the design basis, the ditching resistance can be effectively reduced, the soil adhesion is reduced, and the wide application prospect is achieved.

The invention content is as follows:

the invention aims to provide a bionic ditching and fertilizing device for a paddy field, which reduces the adhesive force between a ditcher and paddy field soil, reduces the working resistance of the ditcher, increases the wear resistance and prolongs the service life of the ditcher.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a bionic ditching fertilizer applicator for paddy fields is integrally formed by a ditching component (1), a fertilizer application component (2) and a connecting component (3); the prismatic hole (4) is communicated with a cylindrical hole (5) up and down; the shape of the ditching component (1) is a badger claw with a central arc curvature radius of 25mm, the width of the shape gradually decreases from front to back, and the most front end of the shape is in a sharp claw shape; the upper end of the ditching component (1) extends to form a connecting component (3); the connecting part (3) is rectangular, and the upper end of the connecting part (3) is provided with two threaded holes for connecting the fertilizing mechanism; the rear ends of the ditching component (1) and the connecting component (3) are provided with fertilizing components (2) in an extending way; the fertilizing component (2) is rectangular, and a prism hole (4) with a through upper end is formed in the center of the rectangle of the fertilizing component (2); the lower end of the prismatic hole (4) is provided with a cylindrical hole (5); the cylindrical hole (5) penetrates through the lower end of the fertilizing component (2); the prismatic hole (4) is used for installing a fertilization pipeline; the cylindrical hole (5) is used for installing a fertilizing spray head; the front end surface (9) of the ditching component (1) is a fillet with the radius of 6-7mm, and the rear end surface (10) is a fillet with the radius of 15 mm.

The invention is also characterized in that the ditching component (1) is enlarged by 6 times in proportion by a badger model with a central arc curvature radius of 25mm, the rear end width of the ditching component (1) is 30mm, and the claw tip width is 0 mm.

Further, the fertilizing component (2) is a rectangle with the length of 40mm, the width of 30mm and the height of 80 mm.

Furthermore, the prism holes (4) are regular pentagons, the side length of each prism hole is 10mm, and the height of each prism hole is 70 mm.

Further, the diameter of the cylindrical hole (5) is 12mm, and the height of the cylindrical hole is 10 mm; the cylindrical hole 5 is located at the center of the prismatic hole 4.

Further, the connecting part (3) is a rectangle with the length of 75mm, the width of 30mm and the height of 80 mm.

Furthermore, the diameters of the two threaded holes are both 4mm, the center distance between the two threaded holes is 15mm, and the distance between the upper end threaded hole (6) and the top end of the connecting part (3) is 20mm-25 mm.

Furthermore, the bionic ditching and fertilizing device for the paddy field is of an integrated structure of a ditching component, a fertilizing component and a connecting component.

Furthermore, the bionic ditching and fertilizing device for the paddy field is integrally processed and manufactured by adopting a photosensitive resin material through a 3D printing technology.

The bionic ditching fertilizer applicator for the paddy field has the effects of reducing soil attached to the toilet surface of the ditcher and reducing ditching working resistance.

Description of the drawings:

in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a bionic ditching fertilizer applicator for paddy field

FIG. 2 is a side view of the bionic ditching fertilizer applicator for paddy field

FIG. 3 is a bottom view of the bionic ditching fertilizer applicator for paddy field

FIG. 4 is a plan view of a bionic ditching fertilizer applicator for paddy field

FIG. 5 is a schematic view of a claw model

In the figure: 1-ditching component 2-fertilizing component 3-connecting component 4-prismatic hole 5-cylindrical hole 6-threaded hole a 7-threaded hole b 8-badger model 9-front end face 10-rear end face

The specific implementation mode is as follows:

in order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

the invention provides a bionic ditching fertilizer applicator for paddy fields, which is integrally formed by a ditching component (1), a fertilizer applying component (2) and a connecting component (3); the prismatic hole (4) is communicated with a cylindrical hole (5) up and down; the shape of the ditching component (1) is a badger claw with a central arc curvature radius of 25mm, the width of the shape gradually decreases from front to back, and the most front end of the shape is in a sharp claw shape; the upper end of the ditching component (1) extends to form a connecting component (3); the connecting part (3) is rectangular, and the upper end of the connecting part (3) is provided with two threaded holes for connecting the fertilizing mechanism; the rear ends of the ditching component (1) and the connecting component (3) are provided with fertilizing components (2) in an extending way; the fertilizing component (2) is rectangular, and a prism hole (4) with a through upper end is formed in the center of the rectangle of the fertilizing component (2); the lower end of the prismatic hole (4) is provided with a cylindrical hole (5); the cylindrical hole (5) penetrates through the lower end of the fertilizing component (2); the prismatic hole (4) is used for installing a fertilization pipeline; the cylindrical hole (5) is used for installing a fertilizing spray head; the front end surface (9) of the ditching component (1) is a round angle with a radius of 6-7mm, and the rear end surface (10) is a round angle with a radius of 15 mm.

The bionic ditching and fertilizing device for the paddy field, provided by the invention, is characterized in that a ditching component (1) is used for acquiring and amplifying surface shape parameters of a badger claw model (8) by adopting a bionic technology, a rear end fertilizing component (2) is used for installing a fertilizing pipeline and a fertilizing nozzle, an upper end connecting component (3) is used for connecting a fertilizing machine, and the three parts are of an integrated structure, so that the bionic ditching and fertilizing device has the effects of reducing soil attached to the toilet surface of the ditching device and reducing ditching working resistance.

The foregoing is directed to embodiments of the present invention, and the foregoing description is not intended to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. A paddy field bionic ditching fertilizer applicator is characterized in that: it is composed of a ditching part (1), a fertilizing part (2) and a connecting part (3) as a whole; the prism hole (4) and a cylindrical hole (5). ) is connected up and down; the shape of the ditching member (1) is a North American badger claw with a central arc curvature radius of 25mm, and its shape gradually decreases in width from front to back, and the front end presents a sharp claw shape; the ditching member The upper end of (1) is extended with a connecting member (3); the connecting member (3) is rectangular, and the upper end of the connecting member (3) is provided with two threaded holes for connecting the fertilization mechanism; the ditching member (1) and the rear end of the connecting part (3) is extended with a fertilizing part (2); the fertilizing part (2) is rectangular, and the rectangular center of the fertilizing part (2) is provided with a prism hole whose upper end penetrates (4); the lower end of the prismatic hole (4) is provided with a cylindrical hole (5); the cylindrical hole (5) penetrates the lower end of the fertilizing component (2); the prismatic hole (4) is connected to a fertilizing pipe for installing; The cylindrical hole (5) is used for installing the fertilization nozzle.

2. a kind of paddy field bionic ditching fertiliser applicator according to claim 1, is characterized in that: described ditching part (1) is enlarged 6 times year-on-year by the North American badger claw model with the radius of curvature of central arc 25mm, ditching. Part 1 has a rear end width of 30mm and a claw tip width of 0mm.

3. a kind of paddy field bionic ditching fertilizer applicator according to claim 2 is characterized in that: the front end surface (9) of the ditching component (1) is a fillet with a radius of 6-7mm, and the rear end surface (10) is A fillet with a radius of 15mm.

4 . The bionic ditching fertiliser applicator for paddy fields according to claim 3 , wherein the fertilizing component ( 2 ) is a rectangle with a length of 40 mm, a width of 30 mm and a height of 80 mm. 5 .

5 . The bionic ditching fertiliser applicator for paddy fields according to claim 4 , wherein the prism hole ( 4 ) is a regular pentagon with a side length of 10 mm and a height of 70 mm. 6 .

6. A kind of paddy field bionic ditching fertilizer applicator according to claim 5 is characterized in that: the cylindrical hole (5) is 12mm in diameter, and the cylindrical hole 5 with a height of 10mm is located below the prismatic hole 4; and the prismatic hole (5). 4) communicates with the cylindrical hole (5).

7 . The bionic ditching and fertilizing applicator for paddy fields according to claim 6 , wherein the connecting member ( 3 ) is a rectangle with a length of 75 mm, a width of 30 mm and a height of 80 mm. 8 .

8. The bionic ditching fertiliser applicator according to claim 7, wherein the diameter of the two threaded holes is 4 mm, the center distance of the two threaded holes is 15 mm, and the upper threaded hole (6) The distance from the top of the connecting part (3) is 20mm-25mm.

9 . The bionic ditching and fertilizing applicator for paddy fields according to claim 8 , wherein the bionic ditching and fertilizing applicator for paddy fields is integrally processed and manufactured by using photosensitive resin materials through 3D printing technology. 10 .